Parker’s Pur Ag® SlimBox filters help producers reduce risk, improve air quality, and increase profits at their facilities. The patented filter is MERV 16-rated and 6˝ deep with Log 9 viral efficiency that provides industry-leading airflow at low resistance. SlimBox filters feature 100% synthetic, moisture-resistant, gradient density media that will not support microbial growth. They install easily into the filter grid frame, eave housings, attic housings, or metal filter frame.